{"containers":{"cna":{"affected":[{"product":"nacos","vendor":"alibaba","versions":[{"status":"affected","version":"< 1.4.1"}]}],"descriptions":[{"lang":"en","value":"Nacos is a platform designed for dynamic service discovery and configuration and service management. In Nacos before version 1.4.1, when configured to use authentication (-Dnacos.core.auth.enabled=true) Nacos uses the AuthFilter servlet filter to enforce authentication. This filter has a backdoor that enables Nacos servers to bypass this filter and therefore skip authentication checks. This mechanism relies on the user-agent HTTP header so it can be easily spoofed. This issue may allow any user to carry out any administrative tasks on the Nacos server."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-290","description":"CWE-290 Authentication Bypass by Spoofing","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2021-04-27T20:20:20.000Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"tags":["x_refsource_MISC"],"url":"https://github.com/alibaba/nacos/issues/4701"},{"tags":["x_refsource_CONFIRM"],"url":"https://github.com/advisories/GHSA-36hp-jr8h-556f"},{"tags":["x_refsource_MISC"],"url":"https://github.com/alibaba/nacos/pull/4703"}],"source":{"advisory":"GHSA-36hp-jr8h-556f","discovery":"UNKNOWN"},"title":"Authentication bypass","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2021-29441","STATE":"PUBLIC","TITLE":"Authentication bypass"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"nacos","version":{"version_data":[{"version_value":"< 1.4.1"}]}}]},"vendor_name":"alibaba"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Nacos is a platform designed for dynamic service discovery and configuration and service management. In Nacos before version 1.4.1, when configured to use authentication (-Dnacos.core.auth.enabled=true) Nacos uses the AuthFilter servlet filter to enforce authentication. This filter has a backdoor that enables Nacos servers to bypass this filter and therefore skip authentication checks. This mechanism relies on the user-agent HTTP header so it can be easily spoofed. This issue may allow any user to carry out any administrative tasks on the Nacos server."}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-290 Authentication Bypass by Spoofing"}]}]},"references":{"reference_data":[{"name":"https://github.com/alibaba/nacos/issues/4701","refsource":"MISC","url":"https://github.com/alibaba/nacos/issues/4701"},{"name":"https://github.com/advisories/GHSA-36hp-jr8h-556f","refsource":"CONFIRM","url":"https://github.com/advisories/GHSA-36hp-jr8h-556f"},{"name":"https://github.com/alibaba/nacos/pull/4703","refsource":"MISC","url":"https://github.com/alibaba/nacos/pull/4703"}]},"source":{"advisory":"GHSA-36hp-jr8h-556f","discovery":"UNKNOWN"}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T22:02:51.975Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://github.com/alibaba/nacos/issues/4701"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://github.com/advisories/GHSA-36hp-jr8h-556f"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://github.com/alibaba/nacos/pull/4703"}]}]},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2021-29441","datePublished":"2021-04-27T20:20:20.000Z","dateReserved":"2021-03-30T00:00:00.000Z","dateUpdated":"2024-08-03T22:02:51.975Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}